047  
CDGM40 PGUM 301601  
CLIGUM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TIYAN GUAM  
201 AM CHST TUE OCT 31 2023  
   
...............................
 
 
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR OCTOBER 30 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 1:05 PM 92 1963 88 0 85  
1966  
1984  
MINIMUM 79 4:30 AM 72 1967 77 2 76  
AVERAGE 84 82 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.89 1978 0.32 -0.31 1.61  
MONTH TO DATE 17.07 12.41 4.66 16.92  
SINCE SEP 1 29.53 27.58 1.95 30.66  
SINCE JAN 1 128.01 84.21 43.80 74.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 17 2 16  
MONTH TO DATE 507 510 -3 469  
SINCE SEP 1 1016 1012 4 960  
SINCE JAN 1 5002 5140 -138 4972    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 PM  
LOWEST 65 1:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 92 1966  
MINIMUM TEMPERATURE (F) 77 70 1986  
 
SUNRISE AND SUNSET  
OCTOBER 31 2023.......SUNRISE 6:15 AM CHST SUNSET 5:54 PM CHST  
NOVEMBER 1 2023......SUNRISE 6:15 AM CHST SUNSET 5:54 PM CHST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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